13123231330 has 16 divisors (see below), whose sum is σ = 25769254464. Its totient is φ = 4772084080.

The previous prime is 13123231327. The next prime is 13123231337. The reversal of 13123231330 is 3313232131.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13123231337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59650942 + ... + 59651161.

It is an arithmetic number, because the mean of its divisors is an integer number (1610578404).

Almost surely, 2^13123231330 is an apocalyptic number.

13123231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13123231330 is a deficient number, since it is larger than the sum of its proper divisors (12646023134).

13123231330 is a wasteful number, since it uses less digits than its factorization.

13123231330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119302121.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13123231330 its reverse (3313232131), we get a palindrome (16436463461).

The spelling of 13123231330 in words is "thirteen billion, one hundred twenty-three million, two hundred thirty-one thousand, three hundred thirty".